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September 14, 2016 06:46
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| function LazyMan(name) { | |
| return new _LazyMan(name); | |
| } | |
| function _LazyMan(name) { | |
| var self = this; | |
| self.name = name; | |
| self.tasks = []; | |
| var greeting = function() { | |
| console.log("Hello this is " + self.name); | |
| self.next(); | |
| }; | |
| self.tasks.push(greeting); | |
| setTimeout(function() { | |
| self.next(); | |
| }, 0); | |
| } | |
| _LazyMan.prototype.next = function() { | |
| var fn = this.tasks.shift(); | |
| fn && fn(); | |
| }; | |
| _LazyMan.prototype.eat = function(eatWhat) { | |
| var self = this; | |
| var fn = (function(eatWhat) { | |
| return function() { | |
| console.log('Eat ' + eatWhat); | |
| self.next(); | |
| }; | |
| })(eatWhat); | |
| self.tasks.push(fn); | |
| return self; | |
| }; | |
| _LazyMan.prototype.sleep = function(seconds) { | |
| var self = this; | |
| var fn = (function(seconds) { | |
| setTimeout(function() { | |
| self.next(); | |
| }, seconds * 1000); | |
| })(seconds); | |
| self.tasks.push(fn); | |
| return self; | |
| }; | |
| _LazyMan.prototype.sleepFirst = function(seconds) { | |
| var self = this; | |
| var fn = (function(seconds) { | |
| setTimeout(function() { | |
| self.next(); | |
| }, seconds * 1000); | |
| })(seconds); | |
| self.tasks.unshift(fn); | |
| return self; | |
| }; | |
| LazyMan('Hank') | |
| .eat('lunch') | |
| .sleep(1) | |
| .eat('supper') | |
| .sleepFirst(2); |
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